Home / 236,903.28-326,916.68-129,477.02

Finding the Fourth Proportional to 236,903.28, 326,916.68 and 129,477.02

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Solution

The fourth proportional to 236,903.28, 326,916.68 and 129,477.02 is: 178,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,903.28 : 326,916.68 = 129,477.02 : x
  2. Step 2: Convert to fraction form
    236,903.28/326,916.68 = 129,477.02/x
  3. Step 3: Cross multiply
    236,903.28x = 326,916.68 × 129,477.02
  4. Step 4: Simplify right side
    236,903.28x = 42,328,197,514.69
  5. Step 5: Solve for x
    x = 42,328,197,514.69/236,903.28
  6. Step 6: Final answer
    x = 178,672.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.